TY  - BOOK
AU  - Blatt Harvey
AU  -  Berry W B N
AU  -  Brande S
TI  - Principles of stratigraphic analysis
U1  - H5, N1 
PY  - 1991///
CY  - Boston
PB  - Blackwell Publishing        
KW  -  Stratigraphy
KW  - Geology
ER  -